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Finding the Fourth Proportional to 93,742.93, 129,392.40 and 53,478.64

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Solution

The fourth proportional to 93,742.93, 129,392.40 and 53,478.64 is: 73,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,742.93 : 129,392.40 = 53,478.64 : x
  2. Step 2: Convert to fraction form
    93,742.93/129,392.40 = 53,478.64/x
  3. Step 3: Cross multiply
    93,742.93x = 129,392.40 × 53,478.64
  4. Step 4: Simplify right side
    93,742.93x = 6,919,729,578.34
  5. Step 5: Solve for x
    x = 6,919,729,578.34/93,742.93
  6. Step 6: Final answer
    x = 73,816.02

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